Injection Feed System By Mechanical Rotary Pump - Case 445/M2 Service Manual

E NG I NE S

INJECTION FEED SYSTEM BY MECHANICAL ROTARY PUMP

General information
Fuel feed system is composed by:
- Fuel tank (placed on the machine)
- Fuel delivery and back−flow to tank
- Fuel pre−filter (if available, it is usually placed close to the engine on the machine frame)
- Priming pump, assembled to the engine and driven by the camshaft
- Fuel filter (assembled to the engine in different positions according to equipment application and duty)
- Injector feed pipeline (from fuel feed pump to injectors)
- Injectors
Figura 1
1
7
1. Injector feed pipes − 2. Fuel exhaust pipes from injectors − 3. Fuel feed rotary pump − 4. Connector for LDA pressure
gauge pipe within suction collector − 5. KKSB thermal bulb − 6. Electro−valve − 7. Injector
ED. FEBUARY 2003
3
SECTION 2 − FEED
2
4
5
3
6
3248T